CN201054829Y - Low power consumption light source - Google Patents
Low power consumption light source Download PDFInfo
- Publication number
- CN201054829Y CN201054829Y CNU2007201109952U CN200720110995U CN201054829Y CN 201054829 Y CN201054829 Y CN 201054829Y CN U2007201109952 U CNU2007201109952 U CN U2007201109952U CN 200720110995 U CN200720110995 U CN 200720110995U CN 201054829 Y CN201054829 Y CN 201054829Y
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- CN
- China
- Prior art keywords
- circuit
- diode
- light source
- resistance
- capacitor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000003990 capacitor Substances 0.000 claims description 21
- 230000000087 stabilizing effect Effects 0.000 claims description 3
- 238000002955 isolation Methods 0.000 abstract description 4
- 238000005265 energy consumption Methods 0.000 abstract description 3
- 230000005611 electricity Effects 0.000 abstract 2
- 238000010278 pulse charging Methods 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 3
- 238000005286 illumination Methods 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005401 electroluminescence Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 230000010349 pulsation Effects 0.000 description 1
- 238000007634 remodeling Methods 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
- -1 tungsten halogen Chemical class 0.000 description 1
Images
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/20—End-user application control systems
Landscapes
- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
The utility model relates to a light source with low electricity consumption. The light source comprises a switch type power circuit connected with an external power supply. A first positive end and a first negative end of the switch type power circuit are connected by a white-light LED luminous circuit, and a second positive end and a second negative end are connected by a chargeable battery circuit. The utility model has high isolation voltage, small size, and pulse charging function, and provides a backup power supply for emergency lighting after power outage. Moreover, the utility model can be automatically charged, and can switch automatically the battery supply to the emergency lighting supply loop after the power outage, without manual operation. The white-light LED unit lamp has high luminous efficacy and low energy consumption, so the life of the utility model is far longer than the life of the electric light source which is applied now. The light source with low electricity consumption has the advantages of simple structure, safety and reliability, and easy implementing, thereby being an alternate light source in the field of the electric light source.
Description
Technical field
The utility model relates to lighting electric light source, relates in particular to the low power consumption light source.
Background technology
Incandescent lamp and tungsten halogen lamp light efficiency have only 12 lumens/watt to 18 lumens/watt, and fluorescent lamp is 50 lumens/watt, and the life-span is all shorter; Illumination power consumption now occupies significant proportion in energy resource consumption, because luminous efficiency of source is low now, not only increased energy resource consumption, brings adverse effect also for the environment temperature rise.There are not enough outstanding problems such as light efficiency is low, energy consumption is high, the life-span is short in existing light source.
Summary of the invention
Technical problem to be solved in the utility model is to overcome the defective of present technology, provides a kind of isolation voltage height, volume little, has both the low power consumption light source of the charge function of pulsing.It provides stand-by power supply for the back emergency lighting that has a power failure.
The utility model solves the problems of the technologies described above the technical scheme that is adopted: the low power consumption light source, comprise the switched-mode power supply circuit that connects external power supply, the technical measures of taking comprise: be connected with the white light LEDs illuminating circuit between switched-mode power supply circuit first anode and the negative terminal, be connected with the chargeable battery circuit between second anode and the negative terminal.
The technical measures of taking also comprise: above-mentioned switched-mode power supply circuit comprises power circuit and ON-OFF control circuit; Power circuit comprises matched and by first capacitor C
1, first resistance R
1, second resistance R
2The interchange limiting filter circuit of forming is to improve antijamming capability and protection rectifier diode, by the first diode D
1To the 4th diode D
4Form bridge rectifier, by second capacitor C
2, the 3rd capacitor C
3Form filter circuit, the direct current behind the bridge rectifier is carried out filtering, with the alternating component after the minimizing rectification; By the 4th capacitor C
4, the 5th capacitor C
5, the 3rd resistance R
3, triode BG, transformer B form the switching mode reduction voltage circuit; ON-OFF control circuit comprises matched and by the 4th resistance R that connects B time grade in transformer
4, the 9th diode D
9Form the charging impulse output circuit, by the 5th diode D
5, the 5th resistance R
5The battery charge pressure limiting circuit of forming is to avoid battery over charge; By the 6th diode D that connects B level of transformer
6, the 7th diode D
7Form the low pressure full-wave rectifying circuit, by the 8th diode D
8, the 6th resistance R
6The limit circuit of forming carries out spacing to the low pressure output upper limit; By the 6th capacitor C
6The low pressure output voltage stabilizing circuit of forming is by the tenth diode D
10The battery automatic power commutation circuit of forming.
Above-mentioned white light LEDs illuminating circuit is made up of at least one group of LED unit lamp that is connected in series mutually and current-limiting protection resistance R X, and the current-limiting protection resistance R X other end is electrically connected the 6th resistance R through commutator K
6, the 6th capacitor C
6, the 6th diode D
6, the 7th diode D
7, the tenth diode D
10Between contact; The centre tap lead-out wire of B level of transformer is a negative terminal; Commutator K also connects external power supply.When needing illumination, with commutator K closure, LED unit lamp gets electroluminescence, battery charge, and commutator K disconnects back lighting to be stopped, and the battery accumulation of energy is standby.
Compared with prior art, the utility model adopts switching mode step-down electric power-feeding structure, and isolation voltage is greater than 2500V, and is safe and reliable; With common Switching Power Supply difference: be to give under the situation of illuminalive power-supply,, need not to establish in addition charge power supply to the chargeable battery charging of pulsing automatically; It has solved the emergency lighting problem, is different from common emergency light, and it can charge automatically, after the power failure powered battery is automatically switched to the emergency lighting current supply circuit, does not need manual operation control.Its low power consumption luminous efficiency of source can reach 80 lumens/watt to 100 lumens/watt, but same light according under low power consumption light source energy savings nearly 50%, its life-span can reach more than 10,000 hours.
Description of drawings
Fig. 1 is the circuit block diagram of the utility model embodiment;
Fig. 2 is the circuit theory schematic diagram of Fig. 1.
Embodiment
Embodiment describes in further detail the utility model below in conjunction with accompanying drawing.
Fig. 1 to Fig. 2 is the low power consumption light source, and the low power consumption light source comprises the switched-mode power supply circuit that connects external power supply, is connected with the white light LEDs illuminating circuit between switched-mode power supply circuit first anode and the negative terminal, is connected with the chargeable battery circuit between second anode and the negative terminal.Switched-mode power supply circuit comprises power circuit and ON-OFF control circuit; Power circuit comprises matched and by first capacitor C
1, first resistance R
1, second resistance R
2The interchange limiting filter circuit of forming is to improve antijamming capability and protection rectifier diode, by the first diode D
1To the 4th diode D
4Form bridge rectifier, by second capacitor C
2, the 3rd capacitor C
3Form filter circuit, the direct current behind the bridge rectifier is carried out filtering, with the alternating component after the minimizing rectification; By the 4th capacitor C
4, the 5th capacitor C
5, the 3rd resistance R
3, triode BG, transformer B form the switching mode reduction voltage circuit; ON-OFF control circuit comprises matched and by the 4th resistance R that connects B time grade in transformer
4, the 9th diode D
9Form the charging impulse output circuit, by the 5th diode D
5, the 5th resistance R
5The battery charge pressure limiting circuit of forming is to avoid battery over charge; By the 6th diode D that connects B level of transformer
6, the 7th diode D
7Form the low pressure full-wave rectifying circuit, by the 8th diode D
8, the 6th resistance R
6The limit circuit of forming carries out spacing to the low pressure output upper limit; By the 6th capacitor C
6The low pressure output voltage stabilizing circuit of forming is by the tenth diode D
10The battery automatic power commutation circuit of forming.The white light LEDs illuminating circuit is made up of at least one group of LED unit lamp that is connected in series mutually and current-limiting protection resistance R X, and the current-limiting protection resistance R X other end is electrically connected the 6th resistance R through commutator K
6, the 6th capacitor C
6, the 6th diode D
6, the 7th diode D
7, the tenth diode D
10Between contact; The centre tap lead-out wire of B level of transformer is a negative terminal; Commutator K also connects external power supply.When needing illumination, with commutator K closure, LED unit lamp gets electroluminescence, battery charge, and commutator K disconnects back lighting to be stopped, and the battery accumulation of energy is standby.
The utility model volume is little, conversion efficiency is high, wide input voltage range, input ac voltage need not to adjust from 160V to 280V, and safe isolation voltage＞2500V possesses the pulsation charge function in addition, to unexpected power failure, this low power consumption light source can switch to emergency cell the illuminalive power-supply loop automatically; Along with the light efficiency of white light LEDs unit lamp and the raising of power, this low power consumption light source, alternative fully present low light efficiency, high energy consumption, short lighting source of life-span.The low power consumption light-source structure is simple, safe and reliable, implement easily, be the replacement light source in the electric light source field.
Most preferred embodiment of the present utility model is illustrated, and various variations or the remodeling made by those of ordinary skills can not break away from scope of the present utility model.
Claims (3)
1. the low power consumption light source comprises the switched-mode power supply circuit that connects external power supply, it is characterized in that: be connected with the white light LEDs illuminating circuit between described switched-mode power supply circuit first anode and the negative terminal, be connected with the chargeable battery circuit between second anode and the negative terminal.
2. low power consumption light source according to claim 1 is characterized in that: described switched-mode power supply circuit comprises power circuit and ON-OFF control circuit; Described power circuit comprises matched and by first capacitor C
1, first resistance R
1, second resistance R
2The interchange limiting filter circuit of forming is by the first diode D
1To the 4th diode D
4Form bridge rectifier, by second capacitor C
2, the 3rd capacitor C
3Form filter circuit, by the 4th capacitor C
4, the 5th capacitor C
5, the 3rd resistance R
3, triode BG, transformer B form the switching mode reduction voltage circuit; Described ON-OFF control circuit comprises matched and by the 4th resistance R that connects B time grade in transformer
4, the 9th diode D
9Form the charging impulse output circuit, by the 5th diode D
5, the 5th resistance R
5The battery charge pressure limiting circuit of forming is by the 6th diode D that connects B level of transformer
6, the 7th diode D
7Form the low pressure full-wave rectifying circuit, by the 8th diode D
8, the 6th resistance R
6The limit circuit of forming is by the 6th capacitor C
6The low pressure output voltage stabilizing circuit of forming is by the tenth diode D
10The battery automatic power commutation circuit of forming.
3. low power consumption light source according to claim 2; it is characterized in that: described white light LEDs illuminating circuit is made up of at least one group of LED unit lamp that is connected in series mutually and current-limiting protection resistance R X, and the described current-limiting protection resistance R X other end is electrically connected the 6th resistance R through commutator K
6, the 6th capacitor C
6, the 6th diode D
6, the 7th diode D
7, the tenth diode D
10Between contact; The centre tap lead-out wire of B level of described transformer is a negative terminal; Described commutator K also connects described external power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201109952U CN201054829Y (en) | 2007-06-20 | 2007-06-20 | Low power consumption light source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201109952U CN201054829Y (en) | 2007-06-20 | 2007-06-20 | Low power consumption light source |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201054829Y true CN201054829Y (en) | 2008-04-30 |
Family
ID=39394487
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201109952U Expired - Fee Related CN201054829Y (en) | 2007-06-20 | 2007-06-20 | Low power consumption light source |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201054829Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101917127A (en) * | 2010-07-14 | 2010-12-15 | 介国安 | Energy-saving capacitor depressurization dual-power-supply double-isolation control module |
-
2007
- 2007-06-20 CN CNU2007201109952U patent/CN201054829Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101917127A (en) * | 2010-07-14 | 2010-12-15 | 介国安 | Energy-saving capacitor depressurization dual-power-supply double-isolation control module |
| CN101917127B (en) * | 2010-07-14 | 2012-05-02 | 介国安 | Energy-saving capacitor voltage-reduction dual-power-supply double-isolation control module |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080430 Termination date: 20100620 |